Weather forecast for tomorrowPortola Hills, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 84°F
- 57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 209°
- Humidity: 42%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:12 pm PDT
- details ▼
Tomorrow, expect sunny weather with a crisp, clear sky.
A substantial temperature range, peaking at a temperate 84.2°F and bottoming out at a moderate 57.2°F, is anticipated.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 84.2°F.
This October day will feature hotter weather, consistent with September's average of 81°F.
Sunrise will be at 6:58 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 13min.
A substantial temperature range, peaking at a temperate 84.2°F and bottoming out at a moderate 57.2°F, is anticipated.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 84.2°F.
This October day will feature hotter weather, consistent with September's average of 81°F.
Sunrise will be at 6:58 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 13min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 82°C.
Coldest hour: 6 am 61°C.
Coldest hour: 6 am 61°C.
Chance of precipitation
Highest chance: 9 pm 4%.
Hourly weather forecast
- 12 am
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphSE 142°
- Humidity: 56%
- Pressure: 29.91"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 2 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphESE 106°
- Humidity: 60%
- Pressure: 29.91"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 4 am
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 74°
- Humidity: 63%
- Pressure: 29.88"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 6 am
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphE 80°
- Humidity: 63%
- Pressure: 29.91"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
Sunrise: 6:58 am
- 8 am
- 66°F
- Feels like:66°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphE 81°
- Humidity: 55%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 am
- 77°F
- Feels like:77°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphS 184°
- Humidity: 40%
- Pressure: 29.91"Hg
- Visibility: 8mi
- UV index: 3
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 231°
- Humidity: 35%
- Pressure: 29.88"Hg
- Visibility: 8mi
- UV index: 6
- details ▼
- 2 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 228°
- Humidity: 35%
- Pressure: 29.85"Hg
- Visibility: 8mi
- UV index: 5
- details ▼
- 4 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSW 225°
- Humidity: 36%
- Pressure: 29.83"Hg
- Visibility: 8mi
- UV index: 2
- details ▼
- 6 pm
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSW 226°
- Humidity: 50%
- Pressure: 29.83"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunset: 6:12 pm
- 8 pm
- 70°F
- Feels like:70°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphS 188°
- Humidity: 69%
- Pressure: 29.83"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSSE 161°
- Humidity: 80%
- Pressure: 29.85"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, clear skies and sunny weather are expected.
The temperature will be between the lowest temperature of 60.8°F and the highest temperature of 82.4°F. The warmest part of the day will be from noon to 3 pm.
The highest temperature is more close to September's average maximum of 81°F than October's usual of 75.9°F. The expected low will be alike with the average minimum in October, which is 59.9°F.
The temperature will be between the lowest temperature of 60.8°F and the highest temperature of 82.4°F. The warmest part of the day will be from noon to 3 pm.
The highest temperature is more close to September's average maximum of 81°F than October's usual of 75.9°F. The expected low will be alike with the average minimum in October, which is 59.9°F.
Updated: Oct 18, 2026 @ 14:51:06 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Monday, the outlook remains bright and sunny.
Tomorrow, the highest temperature in Portola Hills will be 84.2°F, while the lowest temperature will be 57.2°F. The maximum heat index, which indicates how humid air affects the felt temperature, is appraised at 84.2°F.
The highest temperature will be relatively higher than the average maximum of 75.9°F in October. The lowest temperature will be in line with the average low of 59.9°F.
The highest temperature will be relatively higher than the average maximum of 75.9°F in October. The lowest temperature will be in line with the average low of 59.9°F.
On Monday, in Portola Hills, sunrise will be at 6:58 am and sunset at 6:12 pm (PDT).
Tomorrow, the daylight will last for 11h and 13min.
